In the following question a statement of assertion (A) is followed by a statement of reason (R).

A - The qualities of Saccharum barberi and Saccharum officinarum were combined.

R- North Indian sugar cane varieties were less in sugar content.

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Solution

Saccharum barberi is a sugar cane variety grown in north India but it has poor sugar content and yield. On the other hand, Saccharum officinarum is a the sugar cane variety grown in south India which has thicker stems and higher sugar content. But this variety did not grow well in North India.

To increase the sugar cane production in north India, these two varieties of sugar canes were combined by plant breeding methods. This process resulted in the appearance of qualities of both the parents like higher yield, higher sugar content and thicker stems in the progeny. Then, these new hybrids were introduced in north India. This new variety was able to grow and produce more yield compared to Saccharum barberi.

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